I can make a backup with no encryption and either minimum or maximum compression (both exhibit the same behavior). This backup can be restored just fine. When I try to compare this backup with the live database of which the backup was taken, I receive a \"A duplicate object name has been found. This may occur if the SQL Server that you are registering is case sensivtive but the case sensitive option is not set.\"

I'm not sure which options need to be checked where to get this to work. I've recently installed all my software on this new laptop. I've never encountered this error on my previous laptop.

This is the same error with the PFS page that you get when comparing to encrypted backups. I though it was only going to happen for encrypted backups, but it looks like comparing SQL Backup files is completely broken.
(see also http://www.red-gate.com/MessageBoard/vi ... hp?t=15847 )

You'll probably have to restore the database to compare it until this issue is resolved.

I am having the same problem. I have backups that are both compressed and not compressed and I get the error "A duplicate object name has been found...." I don't receive this error when I do a compare with a standard backup from SSMS.

I have the latest updates to both Redgate SQL Backup (7.2.1.4) and Redgate SQL Data Compare (10.2.3.5) as of 30Jan2013.

Stop thinking like a developer and start thinking like your customers.

I'm sorry to say the work on the BackupReader DLL has been delayed. The team are working on 2014 support and some other pressing issues, and since there is a workaround, which is to restore the database to a SQL Server, it's been put on hold for a few more months. Sorry for the aggravation this is causing everyone.